Drinking fountain



FIG. 1 is a perspective view of an embodiment of a drinking fountainembodying the claimed ornamental design;

FIG. 2 is a front elevational view of the embodiment shown in FIG. 1;

FIG. 3 is a perspective view of another embodiment of a drinkingfountain embodying the claimed ornamental design; and,

FIG. 4 is front elevational view of the embodiment shown in FIG. 3.

We claim the ornamental design of a drinking fountain, as shown anddescribed.